Advertising board device convenient to install

Abstract

An advertising board device convenient to install comprises an installation frame and a clamping column. An advertising board is fixedly arranged on the front end face of the clamping column. A guide protruding rod which is located in the center in the left and right directions and is expanded in the front and back directions is arranged on the bottom wall of an installation cavity of the installation frame. A guide concave hole matched with the guide protruding rod is formed in the bottom wall of the clamping column. Two corresponding promoting grooves on the left side and the right side are formed in the bottom wall of the clamping column. First limiting grooves are correspondingly formed in the two sides of the promoting grooves. Rising and falling devices piercing into the promoting grooves are correspondingly arranged on the bottom wall of the installation cavity of the installation frame on the left side and the right side. Each rising and falling device comprises a movable groove with the inlet facing the interior of the installation cavity, and a movable plate movably installed in the movable groove. A threaded case is fixedly installed at the center of the lower end of the movable plate. A screw rod is installed in the threaded case in a screw-thread fit mode. The screw rod is connected with an electric rotating machine fixedly installed at the bottom end of the movable groove.

Description

technical field [0001] The invention relates to the field of cargo transportation, in particular to a billboard device that is easy to install. Background technique [0002] Nowadays, billboards are widely used. Billboards are used to display the product information of enterprises or merchants and play a role in publicity. As the products of enterprises or merchants are updated, the content displayed on billboards also needs to be updated. Billboards are generally installed on high places. It is fixed on the mounting frame body by fastening bolts. When the billboard needs to be replaced, the traditional installation method needs to remove all the fastening bolts, which is extremely inconvenient to operate and greatly reduces the work efficiency of the staff. Contents of the invention [0003] The object of the present invention is to provide an easy-to-install billboard device and its usage method, which can overcome the above-mentioned defects of the prior art. [0004] ...

AI Technical Summary

Problems solved by technology

[0002] Nowadays, billboards are widely used. Billboards are used to display the product information of enterprises or merchants and play a role in publicity. As the products of enterprises or merchants are updated, the content displayed on billboards also needs to be updated. Billboards are generally installed on high places. It is fixed on the installation frame body by fastening bolts. When the billboard needs to be replaced, the traditional installation method needs to remove all the fastening bolts, which is extremely inconvenient to operate and greatly reduces the working efficiency of the staff.

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